Digital Autotuning of dc-dc Converters Based on Model Reference Impulse Response

被引：7

作者：

Costabeber, A. ^{[1
]}

Mattavelli, P. ^{[2
]}

Saggini, S. ^{[3
]}

Bianco, A. ^{[4
]}

机构：

[1] Univ Padua, Dept Informat Engn, I-35100 Padua, Italy

[2] Univ Padua, DTG, Vicenza, Italy

[3] Univ Udine, DIEGM, I-33100 Udine, Italy

[4] DORA S p a, Turin, Italy

来源：

2010 TWENTY-FIFTH ANNUAL IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION (APEC) | 2010年

关键词：

dc-dc converters; autotuning; model reference; impulse response; white noise; on-line tuning;

D O I：

10.1109/APEC.2010.5433337

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper proposes an autotuning technique for digitally controlled voltage-mode dc-dc converters based on the model reference approach. The proposed solution uses the difference between the measured system impulse response and the reference one, determined by the desired dynamic performances, and minimizes the error function acting on the regulator parameters. Two different approaches have been investigated for the evaluation of the impulse response: a deterministic one, based on duty cycle impulse, and a statistical one, based on white noise injection. Compared to existing approaches, this solution has the advantage of simplicity, small-signal processing and on-line tuning capabilities. Experimental investigation has been performed on a 20 A, 1.5V synchronous buck converter, and both simulation and experimental results confirm the effectiveness of the proposed solution.

引用

页码：1287 / 1294

页数：8

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